Auto-drain unit

Details Auto-drain unit Auto-drain unit

1994-09-14

1997-05-06

Michalsky, Gerald A.

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137195, 137244, F16K 3134

Patent

active

056261632

ABSTRACT:
In order to keep mechanisms related to opening and closing of a drain valve disc out of the influence of drain stored in a bowl, there are provided, at positions higher than a liquid level of the drain stored in the bowl, a pressure receiving member moving up and down due to pilot air pressure in a pilot chamber and for opening and closing the drain valve disc 42, a pilot valve seat for communicating the pilot chamber with the interior of the bowl, a pilot valve disc for opening and closing the pilot valve seat, an exhaust orifice for communicating the pilot valve chamber with the atmospheric air, and a lever tilted by upward or downward movement of a float and for opening and closing the pilot valve disc.

REFERENCES:
patent: 1285771 (1918-11-01), Mertens et al.
patent: 1961448 (1934-06-01), Patterson

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